Which method in TQM emphasizes zero defects?

Six Sigma is the method in Total Quality Management (TQM) that emphasizes the concept of zero defects. This approach is designed to improve quality by identifying and removing the causes of defects and minimizing variability in manufacturing and business processes. The ultimate goal of Six Sigma is to achieve a level of quality that allows for no more than 3.4 defects per million opportunities, which aligns closely with the idea of zero defects.

Zero defects philosophy focuses on preventing defects rather than inspecting them after they occur. By utilizing data-driven techniques and statistical analysis, Six Sigma seeks to ensure that processes operate at optimal levels with minimal variance, thereby enhancing overall performance and customer satisfaction.

Other methods, while important in the TQM framework, do not specifically emphasize the goal of zero defects in the same manner as Six Sigma. Just In Time focuses on inventory management and eliminating waste, Continuous Improvement involves ongoing efforts to enhance processes incrementally, and Business Process Reengineering is aimed at radically redesigning business processes for significant improvements. While all these methodologies contribute to quality improvement, Six Sigma distinctly champions the pursuit of zero defects as a critical principle.